That’s it. Microwave-based motion sensor board on top, controller board for LED ceiling light underneath. The power adapter is straightforward in that it accepts 100-240 Volts AC and turns it ...

A big part of the job of a ceiling fan is to improve air circulation, which can help a room from feeling “stuffy ... but there is also a CO2 sensor integrated to improve this aspect of ...

As people cross a room, the light shifts, and a motion sensor is triggered ... You mount the sensor high up on a wall or on the ceiling and ask it for automation to use motion as a trigger.

Xiaomi has introduced the Smart Ceiling Light D20 on ... integrated smart radar light sensor, which automatically detects movement as you enter or leave the room. The D20 boasts a sleek and ...

Xiaomi has unveiled the Smart Ceiling Light D20 on its website, featuring a smart radar light sensor for automatic motion detection ... as you enter or leave the room. The D20 boasts a sleek ...

(Passive InfraRed sensor ... lights when someone enters a room or causing a video camera to begin operating. This passive method is not as reliable as "active" motion sensors that either bounce ...